ObserverCallback
interface ObserverCallback
| android.app.appsearch.observer.ObserverCallback | 
An interface which apps can implement to subscribe to notifications of changes to AppSearch data.
Summary
| Public methods | |
|---|---|
| abstract Unit | 
            onDocumentChanged(changeInfo: DocumentChangeInfo)Callback to trigger after document changes (documents added, updated or removed).  | 
        
| abstract Unit | 
            onSchemaChanged(changeInfo: SchemaChangeInfo)Callback to trigger after schema changes (schema type added, updated or removed).  | 
        
Public methods
onDocumentChanged
abstract fun onDocumentChanged(changeInfo: DocumentChangeInfo): Unit
Callback to trigger after document changes (documents added, updated or removed).
| Parameters | |
|---|---|
changeInfo | 
            DocumentChangeInfo: Information about the nature of the change. This value cannot be null. | 
          
onSchemaChanged
abstract fun onSchemaChanged(changeInfo: SchemaChangeInfo): Unit
Callback to trigger after schema changes (schema type added, updated or removed).
| Parameters | |
|---|---|
changeInfo | 
            SchemaChangeInfo: Information about the nature of the change. This value cannot be null. |